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Chinese Optics Letters

Chinese Optics Letters


  • Editor: Zhizhan Xu
  • Vol. 12, Iss. 7 — Jul. 1, 2014
  • pp: 070801–

Evaluation of optical propagation and radiation in optical waveguide using a numerical method

Mansour Bacha and Abderrahmane Belghoraf  »View Author Affiliations

Chinese Optics Letters, Vol. 12, Issue 7, pp. 070801- (2014)

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We introduce a mathematical model based on a concept of intrinsic mode in order to analyse and synthesise optical wave propagation and radiation occurring in a non-uniform optical waveguide used in integrated optics as optical coupler. The model is based on numerical evaluation of electromagnetic wave by applying an intrinsic field integral to evaluate the field behaviour inside the optical waveguide. To analyse the field distribution inside the non-uniform waveguide and predict the beam propagation of optical energy involved in the propagation process, it is necessary to track the motion of any observation point along the tapered waveguide itself. Physically, the rays of the spectrum undergo reflections on the waveguide boundaries until the cut-off occurs and the phenomena of radiation begin. The numerical results show good agreement with those obtained by classical methods of evaluation used by other works.

© 2014 Chinese Optics Letters

OCIS Codes
(080.1510) Geometric optics : Propagation methods
(130.3120) Integrated optics : Integrated optics devices
(230.7390) Optical devices : Waveguides, planar

ToC Category:
Geometrical optics

Mansour Bacha and Abderrahmane Belghoraf, "Evaluation of optical propagation and radiation in optical waveguide using a numerical method," Chin. Opt. Lett. 12, 070801- (2014)

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